Universal Round Shank Compatibility with Secure Locking Mechanism - Accepts standard round-shank bits and locks them firmly in place during high-torque operation, preventing slippage or ejection. Converts Standard Drills into Rotary Hammer Tools - This adapter allows your existing cordless or electric drill to deliver hammering action, enabling effective drilling in concrete, brick, and masonry without needing a dedicated hammer drill. Includes Four Impact-Rated Masonry Bits in Common Sizes - Ready for immediate use on renovation, installation, or construction tasks across wood, concrete, stone, and brick surfaces. Made from High-Strength Alloy Steel for Impact Resistance - Built to withstand repeated hammering forces, offering reliable durability during heavy-duty applications where standard bits would fail. Saves Cost and Storage Space by Upgrading Existing Tools - Eliminates the need for a separate hammer drill, making it a practical solution for DIYers and tradespeople working in tight spaces or on a budget., Weight: 0.42659447697 pounds, Manufacturer: Kueohse